1151611110135 has 24 divisors (see below), whose sum is σ = 1996174458720. Its totient is φ = 614177658432.

The previous prime is 1151611110131. The next prime is 1151611110191. The reversal of 1151611110135 is 5310111161511.

It is a happy number.

1151611110135 is a `hidden beast` number, since 1 + 1 + 5 + 1 + 611 + 1 + 10 + 1 + 35 = 666.

It is not a de Polignac number, because 1151611110135 - 2² = 1151611110131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1151611110099 and 1151611110108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151611110131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1703577 + ... + 2281533.

It is an arithmetic number, because the mean of its divisors is an integer number (83173935780).

Almost surely, 2^{1151611110135} is an apocalyptic number.

1151611110135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1151611110135 is a deficient number, since it is larger than the sum of its proper divisors (844563348585).

1151611110135 is a wasteful number, since it uses less digits than its factorization.

1151611110135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622247 (or 622244 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 27.

Adding to 1151611110135 its reverse (5310111161511), we get a palindrome (6461722271646).

The spelling of 1151611110135 in words is "one trillion, one hundred fifty-one billion, six hundred eleven million, one hundred ten thousand, one hundred thirty-five".